package Demo;

//实例内部内
 class Outclass {
    public int data1 = 1;
    public static int data2 = 2;
    private int data3=3;
    class Inclass{
        public int data4 = 4;
        public int data5 = 5;
        public void test(){
            System.out.println("inclass:test()");
        }

    }
    public void test(){
        System.out.println("out class:test()");
    }

}
public class Test1 {
    public static void main(String[] args) {
        Outclass outclass=new Outclass();
        Outclass.Inclass inclass=

    }
}